Earth’s Changing Surface

Alaska Peninsula National Wildlife Refuge

Veniaminof volcano Alaska Peninsula

Baja, California Desert

Black Peak Caldera, Alaska Peninsula

Cow Creek, Colorada

Crater Lake, Oregon Image of the day NASA

Elk Mountain, CO

Erosion sample

Great Smokey Mountains

Great Smokey Mountains

Great Smokey Mountains National Park

Meig’s Falls Great Smokey Mountains

Midnight Hole Waterfall in the Smokey Mountains

Smokey Mountains National Park

Wyndham Great Smokey Mountains

Ice climbing near Durango, CO Notice the person

Lime Creek Falls, San Juan, Mountains, CO

Montano

Montano

Streams and falls

World’s most spectacular forest

Great Lakes, North America from NASA

The Desert

The many faces of the desert